A New York judge on Friday handed Donald J. Trump a crushing defeat in his civil fraud case‚ finding the former president liable for conspiring to manipulate his net worth and ordering him to pay a penalty of $355 million that could wipe out his entire stockpile of cash. The decision by Justice Arthur F. Engoron caps a chaotic‚ yearslong case in which New York’s attorney general put Mr. Trump’s fantastical claims of wealth on trial. With no jury‚ the power was in Justice Engoron’s hands...